/Engine/Plugins/Experimental/GeometryCollectionPlugin/Source/GeometryCollectionNodes/Public/Dataflow/GeometryCollectionMaterialNodes.h
Makes an empty Materials array
[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)() struct FMakeMaterialsArrayDataflowNode : public [FDataflowNode](API\Runtime\DataflowCore\Dataflow\FDataflowNode)
TArray<TObject...
Materials
Output Matarials array